Objective Laser Speckle Method For 3-D Displacement Measurement On Curved Surfaces

C. C. Kin; F. P. Chiang

doi:10.1117/12.933595

31 March 1983 Objective Laser Speckle Method For 3-D Displacement Measurement On Curved Surfaces

C. C. Kin, F. P. Chiang

Proceedings Volume 0335, Advanced Laser Technology and Applications; (1983) https://doi.org/10.1117/12.933595
Event: 1982 Technical Symposium East, 1982, Arlington, United States

Abstract

By illuminating a ground glass with a laser beam, a spatial field of speckles is created. These speckles are used as displacement gauging elements of curved 3-D objects whose surfaces are coated with photosensitive material. Equations are derived to show that all the three components of the surface displacement can be obtained from two specklegrams.

Citation Download Citation

C. C. Kin and F. P. Chiang "Objective Laser Speckle Method For 3-D Displacement Measurement On Curved Surfaces", Proc. SPIE 0335, Advanced Laser Technology and Applications, (31 March 1983); https://doi.org/10.1117/12.933595

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